BULLETIN 565, IT. S. DEPARTMENT OF AGRICULTURE. 



be seen only by the aid of a microscope. The beating of the egg white 

 brings about the incorporation of air into this fine network of fibers. 



TOP 



BOTTOM. 



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S i 



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side: 



FRONT 



(PoJf/atie 



_J Uofe-AII tTn except- supper/- ECG CANDLE. 



d £ M</e no ^ol&Ped'/ointi altoyJcct Food Pesearc/i Lab USDepf: at A$> 



Fig. 3. — Working drawings for a one-hole spout candle. (Reproduced from Bui. 5, 

 Missouri State Poultry Experiment Station and D. S. Department of Agriculture, 

 Bureau of Chemistry.) 



Between the white and the shell are two fibrous membranes. When 

 the egg is first laid, the contents fill the entire shell. On cooling, 



